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Full Discussion: Need help with -exec cp command.
Top Forums UNIX for Dummies Questions & Answers Need help with -exec cp command. Post 302234417 by bbbngowc on Tuesday 9th of September 2008 03:44:07 PM
Old 09-09-2008
Quote:
Originally Posted by bakunin
This sure looks weird.

To sum up what we know so far:

OS: RedHat
Shell: bash
User: root
no chrooted environment, no special non-printing characters.

First observation: the paths in the script are not absolute paths. This might lead to no directories/files being found when the script is executed in a wrong current path. Change these paths to absolute paths to make the script more robust.

Here is another take at problem determination: modify your script by switching on printing of the interpreted lines:

Code:
#!/bin/bash

set -xv      # <--- makes every line being printed to stdout after parsing

fRootDir="/some/path"   # set an absolute starting path

find $fRootDir/dir1/dir2 -type f -name "FILE.*" -newer $fRootDir/dir1/dir2/afterme.txt -exec cp {} $fRootDir/dir1/dir2/dir3 \;

exit 0

Now start the script this way:

Code:
root@server # ./myscript.sh 2> myscript.log

and post the contents of the file myscript.log here. I would really be interested in what the problem is here and what the final solution will be.

I hope this helps.

bakunin

Contents of myscript.log:

: bad interpreter: No such file or directory
 

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LEARN ABOUT MOJAVE

findbin5.18

FindBin(3pm)						 Perl Programmers Reference Guide					      FindBin(3pm)

NAME

       FindBin - Locate directory of original perl script

SYNOPSIS

	use FindBin;
	use lib "$FindBin::Bin/../lib";

	or

	use FindBin qw($Bin);
	use lib "$Bin/../lib";

DESCRIPTION

       Locates the full path to the script bin directory to allow the use of paths relative to the bin directory.

       This allows a user to setup a directory tree for some software with directories "<root>/bin" and "<root>/lib", and then the above example
       will allow the use of modules in the lib directory without knowing where the software tree is installed.

       If perl is invoked using the -e option or the perl script is read from "STDIN" then FindBin sets both $Bin and $RealBin to the current
       directory.

EXPORTABLE VARIABLES

	$Bin	     - path to bin directory from where script was invoked
	$Script      - basename of script from which perl was invoked
	$RealBin     - $Bin with all links resolved
	$RealScript  - $Script with all links resolved

KNOWN ISSUES

       If there are two modules using "FindBin" from different directories under the same interpreter, this won't work. Since "FindBin" uses a
       "BEGIN" block, it'll be executed only once, and only the first caller will get it right. This is a problem under mod_perl and other
       persistent Perl environments, where you shouldn't use this module. Which also means that you should avoid using "FindBin" in modules that
       you plan to put on CPAN. To make sure that "FindBin" will work is to call the "again" function:

	 use FindBin;
	 FindBin::again(); # or FindBin->again;

       In former versions of FindBin there was no "again" function. The workaround was to force the "BEGIN" block to be executed again:

	 delete $INC{'FindBin.pm'};
	 require FindBin;

AUTHORS

       FindBin is supported as part of the core perl distribution. Please send bug reports to <perlbug@perl.org> using the perlbug program
       included with perl.

       Graham Barr <gbarr@pobox.com> Nick Ing-Simmons <nik@tiuk.ti.com>

COPYRIGHT

       Copyright (c) 1995 Graham Barr & Nick Ing-Simmons. All rights reserved.	This program is free software; you can redistribute it and/or
       modify it under the same terms as Perl itself.

perl v5.18.2							    2013-11-04							      FindBin(3pm)
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